Bulk Update Request: Cleaning up the train-related tags

Script

create implication steam_locomotive (94) -> steam_train (3)
create implication diesel-electric_locomotive (30) -> diesel_locomotive (26)
create implication diesel_locomotive (26) -> diesel_train (1)
create implication electric_locomotive (41) -> electric_train (0)
create implication steam_locomotive (94) -> locomotive (217)
create implication diesel_locomotive (26) -> locomotive (217)
create implication electric_locomotive (41) -> locomotive (217)
mass update railcar -> railroad_car
mass update freight_railcar -> freight_car
create implication freight_car (0) -> railroad_car (0)
mass update box_railcar -> boxcar
create implication boxcar (19) -> freight_car (0)
mass update passenger_railcar -> passenger_car
create implication passenger_car (0) -> railroad_car (0)
create implication passenger_car (0) -> passenger_train (21)
create implication passenger_train (21) -> public_transportation (3255)
create alias subway (754) -> rapid_transit (409)
remove implication cable_tram (1) -> urban_rail_transit (139)
remove implication tram (68) -> urban_rail_transit (139)
remove implication monorail (22) -> urban_rail_transit (139)
remove implication funicular (6) -> urban_rail_transit (139)
remove implication cable_tram (1) -> urban_rail_transit (139)